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Hisayoshi Ohkoshi — 1 Patent in 2021

SCSenju Sprinkler Co.: 1 patents #1 of 3Top 35%
Overall (2021): #433,129 of 548,734Top 80%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11054068 Connection structure for fire extinguishing system piping Yukihiro Kon 2021-07-06

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Hideki Ohkawa1
Hideaki Ohka1
Hironori Ohishi1
Hidetaka Ohira1